Final DOOM: Evilution Patch level for MAP31 to solve a solo play problem. The yellow key is not available except in multiplayer mode and therefore you cannot complete the level. This has never been fixed by id Software since the release of Final DOOM in 1996. To use, simply add this WAD file name on the command line or in the list of WADs used with DOOM2.EXE in a Final DOOM TNT installation. In the Win95 version of Final DOOM, after putting this fix WAD in the game's subdirectory, you'll find it in the list of add-on WADs. Just select it there. In multiplayer mode, both (or all) of the players must use this patch. Some demos of MAP31 may not play back correctly. It is not for use with regular DOOM2 or the Plutonia portion of Final DOOM. Example use from the DOS prompt of an installation of the TNT part of Final DOOM: DOOM2 -FILE TNT31.WAD If you use DM.EXE that comes with DOOM2 for multiplayer or as a general front-end, just specify TNT.WAD and then TNT31.WAD on consecutive lines of the (F3) WADs screen. Patch provided by and supported by TeamTNT, creators of Icarus, Final DOOM, Eternal DOOM, Bloodlands, Grievance and Pursuit (as of this writing). http://www.teamtnt.com or email to support@teamtnt.com [patch file date 05 Jan 97] [updated 22 Sep 02 to new email and an error in the name of the WAD]